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The difference between radiant pyrometer and bimetallic thermometer

2020-11-26

JVTIA

198

Nowadays, in order to meet the demand of different measurement, all kinds of thermometer emerge in endlessly. Industry in favour of thermometer except for bimetallic thermometer and radiant thermometer, introduce the difference today. Bimetallic thermometer is a kind of measurement in the field of low temperature test instrument. Can be directly measured in the process of various production - 80℃- Liquid + 500 ℃ range steam and gas medium temperature. The main component is a use two or more pieces of metal laminate composed of multilayer metal together, using two different metal expansion degree during temperature change the principle of work. Advantage is that the scene display temperature, intuitive and convenient; Safe and reliable, long life; Variety complete, adapted to the various installation needs. High temperature radiation scoring for installation type and handheld, based on the radiation effect of object to be tested in the wavelength range, on the basis of radiation energy and the relationship between temperature, revised and radiation coefficient, to determine the actual temperature of the object. The downside is measuring accuracy are greatly influenced by the environment, tiny changes may seriously affect the accuracy of unpredictable radiation rate at the same time; Advantage is receiving radiation address large, high measurement sensitivity, and simple structure, convenient operation, wide temperature range and easy automatic measurement, so it is widely used in measurement and control the resistance furnace temperature.

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